Main Page | See live article | Alphabetical index ERP is a TLA (three-letter abbreviation) that may stand for: Enterprise resource planning Early redemption penalty Early retirement plan Earth rotation parameters Effective radiated power Effective refractory period Ejército Revolucionario del Pueblo (Argentina) Electronic road pricing Emergency response plan Emergency response program Employee retirement plan Environmental resource permit Environmental resource planning Error recovery procedure Estimated retail price Event-related potential Extended refit period Exterior router protocol This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.